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Finding the Fourth Proportional to 8,808.88, 13,215.52 and 6,216.88

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Solution

The fourth proportional to 8,808.88, 13,215.52 and 6,216.88 is: 9,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.88 : 13,215.52 = 6,216.88 : x
  2. Step 2: Convert to fraction form
    8,808.88/13,215.52 = 6,216.88/x
  3. Step 3: Cross multiply
    8,808.88x = 13,215.52 × 6,216.88
  4. Step 4: Simplify right side
    8,808.88x = 82,159,301.98
  5. Step 5: Solve for x
    x = 82,159,301.98/8,808.88
  6. Step 6: Final answer
    x = 9,326.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.